1x6 Tongue And Groove Roof Decking Spans
With less than 4 supports a special pattern requiring specified lengths must be used.
1x6 tongue and groove roof decking spans. I am looking to space rafters at 72 however i cannot find any information on diaphragm strength of the t g decking. Some use clips as convenient spacers. Standard structural decking patterns are 2 nominal tongued and grooved t g and 3 and 4 double t g products available with vee or eased edges to meet. All end joints occur in line on every other support figure 6.
It is nominal 2 x 6 3 x 6 or 4 x 6 in 1 or 2 grade and kiln dried. Roof deck 2x6 or 1x6 t g we use 1x6 up to 3 but the roof is then strapped after with 2x4 then sheathing. Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected. All pieces are supported on three supports.
Roof decking is southern pine as manufactured by s i. For 5 8 or thicker roof sheathing on 16 o c. Rafters it shouldn t be an issue. Does anyone have experience using tongue and groove decking for roof sheathing.
Decking is machined to a single or double tongue and groove evis pattern. On 24 1x6 will work but put a layer of sheathing down to eliminate the roofing nail issue. 4 tongue and groove roof decking. Find all the facts and ideas about it in this article before you install one for your home design.
Maximum moisture content is 19 for 2 x 6 3 x 6 and 4 x 6. Just wondering if anyone has used this decking to act as the roof diaphragm. Irc table r803 1 lists 1 1 2 t g for rafter spans up to 72. In my experience the need for tongue and groove or edge clips is determined by the thickness of the roof sheathing and the spacing of the rafters.
Storey lumber co inc. This document contains all that s needed to design and construct tongue and groove wood roof decking including span and load tables. Tongue groove structural decking structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks. Tongue and groove roof decking especially the one from solid wood boards is one of the two most common choices for residential use right now.